Pantoprazole

HCID 178493214

Grundinformationen

CAS
102625-70-7
Standard-SMILES
COc1ccnc(C[S+]([O-])c2nc3cc(OC(F)F)ccc3[nH]2)c1OC
InChIKey
IQPSEEYGBUAQFF-UHFFFAOYSA-N
Summenformel
C16H15F2N3O4S
Durchschnittliche Molmasse
383,4 g/mol
Monoisotopische Masse
383,07513347

Namen und Bezeichner

Bevorzugter Name
Pantoprazole
IUPAC
6-(difluoromethoxy)-2-[(3,4-dimethoxy-2-pyridinyl)methylsulfinyl]-1H-benzimidazole
Englischer Name
Pantoprazole
Summenformel
C16H15F2N3O4S
Molmasse
383.37

Namen und Synonyme

pantoprazole102625-70-7PantozolPantoprazolPantoprazolumPantolocBY-1023SK&F-96022AltopanZovantaSK&F 96022SKF-96022
Weitere Namen anzeigen
Pantoprazole D7Pantoprazole (Protonix)PatoprazolePantoprozolePantoprazole&Int.Pantoprazole AcidPantoprazole (BY1023)
DTXSID4023416SK-96022NSC-7592576-(difluoromethoxy)-2-[(3,4-dimethoxypyridin-2-yl)methylsulfinyl]-1H-benzimidazoleD8TST4O5621H-Benzimidazole, 5-(difluoromethoxy)-2-(((3,4-dimethoxy-2-pyridinyl)methyl)sulfinyl)-BY1023CHEBI:7915

Datenbank-Bezeichner

CAS
102625-70-7
PubChem CID
4679

Eigenschaften

Berechnete Struktureigenschaften

XLogP
2,4
Polarare Oberfläche (TPSA)
106 Ų
H-Brücken-Donoren
1
H-Brücken-Akzeptoren
9
Frei drehbare Bindungen
7
Schwere Atome
26

Experimentelle und physikochemische Eigenschaften

LogP · 2 Einträge

2.05

log Kow = 2.2 /Estimated/

Color/FormOff-white solid
Solubility · 2 Einträge

Freely soluble in water.

In water, 48 mg/L at 25 °C /Estimated/

Boiling Point586.9±60.0 °C at 760 mmHg
Melting Point · 3 Einträge

149-150

139-140 °C, decomposes

Mol wt: 405.36. White to off-white solid; mp: >130 °C (dec); UV max (methanol): 289 (E=1.64X10+4) /Sodium salt/

Vapor Pressure1.25X10-12 mm Hg at 25 °C /Estimated/

Physikochemische Eigenschaften

Schmelzpunkt
139 · 139-140° (dec)
Siedepunkt
586.9 · 586.9±60.0 °C(Predicted)
Dichte
1.51 · 1.51±0.1 g/cm3(Predicted)
storage temp.
-20 °C · Inert atmosphere,Store in freezer, under -20°C
Löslichkeit
Chloroform (Slightly), Methanol (Slightly, Heated, Sonicated)
pka
1 · pKa1 3.92; pKa2 8.19(at 25℃)

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 5 Einträge

Warning

H302+H312+H332 (20%): Harmful if swallowed, in contact with skin or if inhaled [Warning Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation];H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral];H312 (20%): Harmful in contact with skin [Warning Acute toxicity, dermal];H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation];H319 (40%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H332 (20%): Harmful if inhaled [Warning Acute toxicity, inhalation];H335 (40%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation];H336 (10%): May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects];H341 (10%): Suspected of causing genetic defects [Warning Germ cell mutagenicity];H351 (10%): Suspected of causing cancer [Warning Carcinogenicity];H400 (10%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard];H410 (10%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard];H412 (10%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

P203, P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P318, P319, P321, P330, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 10 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Gefahrenhinweise

Regulatory InformationStatus: Active Update: 03-05-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/21917
FDA Requirements · 1 Eintrag

The Approved Drug Products with Therapeutic Equivalence Evaluations List identifies currently marketed prescription drug products, incl pantoprazole sodium, approved on the basis of safety and effectiveness by FDA under sections 505 of the Federal Food, Drug, and Cosmetic Act. /Pantoprazole Sodium/

Special Reports · 2 Einträge

Der G; An Overview of Proton Pump Inhibitors; Gastroenterol Nurs 26 (5): 182-90 (2003)

Poole P; Pantoprazole; Am J Health Syst Pharm 58 (11): 999-1008 (2001). The pharmacology, pharmacokinetics, clinical efficacy, adverse effects, and dosage and administration of pantoprazole are reviewed.

Hazard Classes and CategoriesAcute Tox. 4 (100%);Acute Tox. 4 (20%);Skin Irrit. 2 (50%);Eye Irrit. 2 (40%);Acute Tox. 4 (20%);STOT SE 3 (40%);STOT SE 3 (10%);Aquatic Acute 1 (10%);Aquatic Chronic 1 (10%);Aquatic Chronic 3 (10%)

Sicherheit und Schutzausrüstung

Disposal Methods · 1 Eintrag

SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.

Toxikologische Informationen

Interactions · 4 Einträge

Pantoprazole causes prolonged inhibition of gastric acid secretion, and thereby may interfere with the absorption of these medications /ampicillin or iron salts or ketoconazole/ and others for which bioavailability is determined by gastric pH. /Pantoprazole sodium/

Pantoprazole, although metabolized by hepatic cytochrome p450 systems, does not appear to either inhibit or induce cytochrome p450 enzyme activity. To date, no clinically significant interactions have been noted from such commonly used drugs as diazepam, phenytoin, nifedipine, theophylline, digoxin, warfarin, or oral contraceptives. /Pantoprazole sodium/

Pantoprazole, by increasing gastric pH, has the potential to affect the bioavailability of any medication for which absorption is pH-dependent. Also, pantoprazole may prevent the degradation of acid-labile drugs. /Pantoprazole sodium/

In other in vivo studies, ethanol, glyburide, caffeine, antipyrine, metronidazole, and amoxicillin, had no clinically relevant interactions with pantoprazole. /Pantoprazole sodium/

Hepatotoxicity · 1 Eintrag

Despite its wide use, pantoprazole has only rarely been associated with hepatic injury. In large scale, long term trials of pantoprazole, serum ALT elevations have occurred in less than 1% of patients and at rates similar to those that occur with placebo or comparator drugs. Only a small number of cases of clinically apparent liver disease attributed to pantoprazole have been published, but the clinical pattern of injury has resembled acute hepatic necrosis which has been described with other proton pump inhibitors. Clinically apparent liver injury due to proton pump inhibitors generally arises within the first 4 weeks of therapy and is characterized by an acute hepatocellular pattern of injury with rapid recovery upon withdrawal. Rash, fever and eosinophilia are rare, as is autoantibody formation. In large case series of drug induced liver injury, pantoprazole has accounted for few instances of symptomatic acute liver injury.;Likelihood score: C (probable rare cause of clinically apparent liver injury).

Environmental Fate · 3 Einträge

TERRESTRIAL FATE: Based on a classification scheme(1), an estimated Koc value of 13,000(SRC), determined from a structure estimation method(2), indicates that pantoprazole is expected to be immobile in soil(SRC). The pKa1 and pKa2 of pantoprazole are 3.92 and 8.19(3), respectively, indicating that this compound will primarily exist in the protonated form in the environment and cations generally adsorb to organic carbon and clay more strongly than their neutral counterparts(4). Volatilization of pantoprazole from moist soil surfaces is not expected to be an important fate process(SRC) given an estimated Henry's Law constant of 5.84X10-20 atm-cu m/mole(SRC), using a fragment constant estimation method(5). Pantoprazole is not expected to volatilize from dry soil surfaces(SRC) based upon an estimated vapor pressure of 1.25X10-12 mm Hg(SRC), determined from a fragment constant method(6). Biodegradation of pantoprazole in soil is unknown(SRC).

AQUATIC FATE: Based on a classification scheme(1), an estimated Koc value of 13,000(SRC), determined from a structure estimation method(2), indicates that pantoprazole is expected to adsorb to suspended solids and sediment(SRC). Volatilization from water surfaces is not expected(3) based upon an estimated Henry's Law constant of 5.84X10-20 atm-cu m/mole(SRC), developed using a fragment constant estimation method(4). The pKa1 and pKa2 of pantoprazole are 3.92 and 8.19(5), respectively, indicating that this compound will primarily exist in the protonated form in the environment; cations generally adsorb more strongly to suspended solids and sediment than their neutral counterparts(6). According to a classification scheme(7), an estimated BCF of 10.3(SRC), from an estimated log Kow of 2.22(8) and a regression-derived equation(9), suggests the potential for bioconcentration in aquatic organisms is low(SRC). Hydrolysis is not expected to be an important environmental fate process since this compound lacks functional groups that hydrolyze under environmental conditions. Biodegradation of pantoprazole in water is unknown(SRC).

ATMOSPHERIC FATE: According to a model of gas/particle partitioning of semivolatile organic compounds in the atmosphere(1), pantoprazole, which has a an estimated vapor pressure of 1.25X10-12 mm Hg at 25 °C(SRC), determined from a fragment constant method(2), is expected to exist solely in the particulate phase in the ambient atmosphere. Particulate-phase pantoprazole may be removed from the air by wet and dry deposition(SRC).

Adverse Effects · 1 Eintrag

Even though pantoprazole is a relatively benign medication, there is still a risk of adverse effects. The primary adverse effects of pantoprazole include diarrhea, headache, upper respiratory tract infection, and abdominal pain. Long-term complications of pantoprazole use include diarrhea attributed to Clostridium difficile or microscopic colitis, small-intestinal bacterial overgrowth, vitamin B12 deficiency, iron deficiency, calcium deficiency, magnesium deficiency, bone demineralization, interstitial nephritis, and diminished absorption of medications such as clopidogrel. There is a rare risk of subacute cutaneous lupus erythematosus associated with pantoprazole administration, and Health Canada acknowledged this risk in December 2017. In older adults specifically, treatment with pantoprazole for 8 weeks or longer is not recommended. The Beers Criteria classifies pantoprazole as an inappropriate medication for the older population due to an associated increased risk of Clostridium difficile infection and bone density loss. A recent study has reported that QTc prolongation in critically ill patients; additional research is required.;Drug-Drug Interactions;* :;* Rilpivirine: Concomitant use is contraindicated due to decreased antiviral effect and risk of drug resistance.;* Atazanavir: Monitor for potential reduced efficacy; consult dosing recommendations for adjustments.;* Nelfinavir: Avoid concomitant use due to decreased efficacy.;* :According to product labeling, altered INR and prothrombin time are possible. Regular monitoring of INR is required, and warfarin dose adjustments may be necessary. However, one study suggests conflicting results.;* : Pantoprazole can lower gastric acidity, reducing the absorption of drugs such as iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, and ketoconazole/itraconazole. Monitoring and possible dose adjustments may be necessary to maintain the effectiveness.;* : Concomitant use, especially at high doses, may increase and prolong serum methotrexate levels, potentially causing toxicity.;* Incompatibility: Midazolam IV is incompatible with Y-site administration of IV pantoprazole.;Drug-Laboratory Interactions;* Tetrahydrocannabinol levels: There have been instances of false-positive results in urine screenings for tetrahydrocannabinol in patients taking proton pump inhibitors (PPIs), including pantoprazole. Clinicians should interpret these results with caution.;* Neuroendocrine tumor diagnostics: Proton pump inhibitor–induced acid suppression can elevate serum chromogranin A (CgA) concentrations, potentially leading to false-positive interpretations during neuroendocrine tumor diagnostics. Discontinuation of pantoprazole for at least 14 days before CgA measurement is recommended; retesting should be considered if levels remain elevated. Consistent use of the same assay laboratory is advised for serial assessments due to inter-assay variability in the reference range.

Milk ConcentrationsPantoprazole and its metabolites are excreted in the milk of rats. It is not known whether pantoprazole is excreted in human milk. ...
Toxicity Summary · 1 Eintrag

Signs and Symptoms of Overdose;There have not been a significant number of pantoprazole overdoses that have resulted in serious medical consequences. Laboratory studies have shown that single doses ranging from 709 to 887 mg/kg caused death in animal subjects (mice, rats, and dogs). Acutely, evidence of hypoactivity, tremor, and ataxia was observed in these animals.;Management of Overdose;There is no specific antidote for an event such as this. Furthermore, pantoprazole is not removable from the body via hemodialysis. As a result, treatment for pantoprazole overdose focuses on symptomatic relief. Contact the poison control center (800-222-1222) for the most up-to-date recommendations.

Regulatorische Informationen

Regulatory InformationStatus: Active Update: 03-05-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/21917
FDA Requirements · 1 Eintrag

The Approved Drug Products with Therapeutic Equivalence Evaluations List identifies currently marketed prescription drug products, incl pantoprazole sodium, approved on the basis of safety and effectiveness by FDA under sections 505 of the Federal Food, Drug, and Cosmetic Act. /Pantoprazole Sodium/

Sicherheitsdaten

risk_code
20/21/22-37/38-41-48
hazard_code
Xn
safety_code
22-26-36/37/39-45
Giftige Stoffe Daten
102625-70-7(Hazardous Substances Data)

Chemie und Industrie

Pharmakologische Informationen

ATC Code · 3 Einträge

A02BC02

A - Alimentary tract and metabolism;A02 - Drugs for acid related disorders;A02B - Drugs for peptic ulcer and gastro-oesophageal reflux disease (gord);A02BC - Proton pump inhibitors;A02BC02 - Pantoprazole

QA - Alimentary tract and metabolism;QA02 - Drugs for acid related disorders;QA02B - Drugs for peptic ulcer and gastro-oesophageal reflux disease (gord);QA02BC - Proton pump inhibitors;QA02BC02 - Pantoprazole

Protein BindingApproximately 98%
Pharmacodynamics · 1 Eintrag

This drug acts to decrease gastric acid secretion, which reduces stomach acidity. Pantoprazole administration leads to long-lasting inhibition of gastric acid secretion. **General Effects** Pantoprazole has been shown to reduce acid reflux-related symptoms, heal inflammation of the esophagus, and improve patient quality of life more effectively than histamine-2 receptor antagonists (H2 blockers). This drug has an excellent safety profile and a low incidence of drug interactions. It can be used safely in various high-risk patient populations, including the elderly and those with renal failure or moderate hepatic dysfunction. Due to their good safety profile and as several PPIs are available over the counter without a prescription, their current use in North America is widespread. Long term use of PPIs such as pantoprazole have been associated with possible adverse effects, however, including increased susceptibility to bacterial infections (including gastrointestinal _C. difficile_), reduced absorption of micronutrients including iron and B12, and an increased risk of developing hypomagnesemia and hypocalcemia which may contribute to osteoporosis and bone fractures later in life. PPIs such as pantoprazole have also been shown to inhibit the activity of dimethylarginine dimethylaminohydrolase (DDAH), an enzyme necessary for cardiovascular health. DDAH inhibition causes a consequent accumulation of the nitric oxide synthase inhibitor asymmetric dimethylarginie (ADMA), which is thought to cause the association of PPIs with increased risk of cardiovascular events in patients with unstable coronary syndromes. **A note on laboratory testing abnormalities** During treatment with antisecretory medicinal products such as pantoprazole, serum gastrin (a peptide hormone that stimulates secretion of gastric acid) increases in response to the decreased acid secretion caused by proton pump inhibition. The increased gastrin level may interfere with investigations for neuroend

Mechanism of Action · 2 Einträge

Hydrochloric acid (HCl) secretion into the gastric lumen is a process regulated mainly by the H(+)/K(+)-ATPase of the proton pump, expressed in high quantities by the parietal cells of the stomach. ATPase is an enzyme on the parietal cell membrane that facilitates hydrogen and potassium exchange through the cell, which normally results in the extrusion of potassium and formation of HCl (gastric acid). Proton pump inhibitors such as pantoprazole are substituted _benzimidazole_ derivatives, weak bases, which accumulate in the acidic space of the parietal cell before being converted in the _canaliculi_ (small canal) of the gastric parietal cell, an acidic environment, to active _sulfenamide_ derivatives. This active form then makes disulfide bonds with important cysteines on the gastric acid pump, inhibiting its function. Specifically, pantoprazole binds to the _sulfhydryl group_ of H+, K+-ATPase, which is an enzyme implicated in accelerating the final step in the acid secretion pathway. The enzyme is inactivated, inhibiting gastric acid secretion. The inhibition of gastric acid secretion is stronger with proton pump inhibitors such as pantoprazole and lasts longer than with the H(2) antagonists.

Pantoprazole is a proton pump inhibitor. It accumulates in the acidic compartment of parietal cells and is converted to the active form, a sulfanilamide, which binds to hydrogen-potassium-ATP-ase at the secretory surface of gastric parietal cells. Inhibition of hydrogen-potassium-ATPase blocks the final step of gastric acid production, leading to inhibition of both basal and stimulated acid secretion. The duration of inhibition of acid secretion does not correlate with the much shorter elimination half-life of pantoprazole. /Pantoprazole sodium/

Biological Half-Life · 2 Einträge

About 1 hour

Elimination: Following oral or intravenous administration: 1 hour. The half-life of pantoprazole is prolonged (7 to 9 hours) in patients with cirrhosis of the liver and in genetically determined slow metabolizers (3.5 to 10 hours). /Pantoprazole sodium/

Metabolism/Metabolites · 2 Einträge

Pantoprazole is heavily metabolized in the liver by the cytochrome P450 (CYP) system. Pantoprazole metabolism is independent of the route of administration (intravenous or oral). The main metabolic pathway is _demethylation_, by _CYP2C19_ hepatic cytochrome enzyme, followed by sulfation; other metabolic pathways include oxidation by CYP3A4. There is no evidence that any of the pantoprazole metabolites are pharmacologically active. After hepatic metabolism, almost 80% of an oral or intravenous dose is excreted as metabolites in urine; the remainder is found in feces and originates from biliary secretion.

Pantoprazole is extensively metabolized in the liver through the cytochrome P450 (CYP) system. Pantoprazole metabolism is independant of route of administration (intravenous or oral). The main metabolic pathway is demethylation,by CYP2C19, with subsequent sulfation; other metabolic pathways include oxidation by CYP3A4. ... CYP2C19 displays a known genetic polymorphism due to its deficiency in some sub-populations (eg 3% of Caucasians and African-Americans and 17 to 23% of Asians). /Pantoprazole sodium/

Verwendung und Herstellung

Uses · 2 Einträge

Medication: Antiulcerative

Use (kg; approx.) in Germany (2009): >10000;Use (kg; exact) in Germany (2009): 20548;Use (kg) in USA (2002): 8200;Use (kg) in France (2004): 5287;Consumption (g per capita; approx.) in Germany (2009): 0.122;Consumption (g per capita; exact) in Germany (2009): 0.251;Consumption (g per capita) in the USA (2002): 0.0291;Consumption (g per capita) in France (2004): 0.0875;Excretion rate: 0.06;Calculated removal (%): 9.8

Formulations/Preparations · 2 Einträge

Pantoprazole is available as enteric coated tablets containing 45.1 mg of the sodium salt sesquihydrate equivalent to 40 mg ... of the free anhydrous acid, and as a lyophylisate for iv infusion.

Trade name: Protonix

General Manufacturing Information · 3 Einträge

Preparation: B. Kohl et al, EP 166287; eidem, US 4758579 (1986, 1988 both to Byk Gluden)

Information available in 2004 indicated that Pantoprazole was used in the manufacture of pharmaceutical preparations in the following countries: Algeria, Argentina, Bahrain, Brazil, Costa Rica, Dominican Republic, El Salvador, Guatemala, Honduras, India, Iraq, Israel, Jordan, Lebanon, Libyan Arab Jamahiriya, Luxembourg, Malaysia, Mexico, Nicaragua, Nigeria, Oman, Panama, Poland, Portugal, Romania, Saudi Arabia, Singapore, Somalia, South Africa, Sudan, Thailand, Tunisia, United Arab Emirates, Yemen (1,2)

Information available in 2004 indicated that Pantoprazole sodium was used in the manufacture of pharmaceutical preparations in the following countries: Argentina, Australia, Austria, Belgium, Brazil, Canada, Chile, Colombia, Croatia, Czech Republic, Denmark, Ecuador, Finland, France, Germany, Greece, Hong Kong, Hungary, India, Indonesia, Ireland, Italy, Luxembourg, Mexico, Netherlands, New Zealand, Norway, Poland, Portugal, Romania, Slovenia, South Africa, Spain, Sweden, Switzerland, Turkey, United Kingdom, USA, Yugoslavia (1,2) /Pantoprazole sodium/

Anwendungen · 2 Einträge

BeschreibungPantoprazole, an irreversible proton pump inhibitor, reached its first market worldwide in Germany for acute treatment of gastric and duodenal ulcers and gastroesophageal reflux disease. Proton pump inhibitors are more effective than other strategies in inhibiting acid secretion since they function at the final step of acid production, therefore, provide superior symptom relief and healing in all acid related diseases. As the third substituted benzimidazole proton pump inhibitor marketed, pantoprazole not only has superior ulcer-preventing effect but also is more potent than omeprazole in healing acetic acid-induced gastric and duodenal ulcers with extremely low acute toxicity. The mechanism of action for this class of compounds has been suggested to be mediated via the protonated form of the molecule which selectively reacts with cysteines present on the extracytoplasmic face of the enzyme to form covalent disulfide bonds.

Verwendenproton pump inhibitor, gastric acid release inhibitor, antiulcer

Anbieter100 Anbieter

北京华美互利生物化工010-56205725 · [email protected]
郑州阿尔法化工有限公司+86-18530059196 · [email protected]
济南百隆化学有限公司[email protected] · [email protected]
武汉英诺医药科技有限公司+86-027-59232304 15387063101 · [email protected]
艾吉析科技(上海)有限公司17717235263 · [email protected]

Ergänzende Hinweise

DefinitionChEBI: A member of the class of benzimidazoles that is 1H-benzimidazole substituted by a difluoromethoxy group at position 5 and a [(3,4-dimethoxypyridin-2-yl)methyl]sulfinyl group at position 2.

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